Table 3 Summary of factor analysis of symptoms among esophageal cancer patients
From: Symptom clusters and impact on quality of life in esophageal cancer patients
Symptom | Factor loading | |||
|---|---|---|---|---|
Factor 1 | Factor 2 | Factor 3 | Factor 4 | |
Distressed | 0.622 | Â | Â | Â |
Shortness of breath | 0.685 | Â | Â | Â |
Memory decline | 0.729 | Â | Â | Â |
Sleepy | 0.554 | Â | Â | Â |
Dry mouth | 0.698 | Â | Â | Â |
Sadness | 0.691 | Â | Â | Â |
Numbness | 0.674 | Â | Â | Â |
Abdominal distention | 0.586 | Â | Â | Â |
Nausea | Â | 0.663 | Â | Â |
Appetite loss | Â | 0.577 | Â | Â |
Vomiting | Â | 0.784 | Â | Â |
Difficulty swallowing | Â | 0.631 | Â | Â |
Pain | Â | Â | 0.750 | Â |
Fatigue | Â | Â | 0.849 | Â |
Disturbed sleep | Â | Â | 0.579 | Â |
Constipation | Â | Â | Â | 0.739 |
Diarrhea | Â | Â | Â | 0.840 |
Change in taste | Â | Â | Â | 0.567 |
Cronbach’s α | 0.929 | 0.864 | 0.843 | 0.809 |
Eigenvalue | 4.535 | 3.258 | 3.059 | 2.467 |
Variance explained | 25.195 | 18.100 | 16.997 | 13.708 |
Total variance explained | 25.195 | 43.295 | 60.291 | 73.999 |